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Weeds - Goulburn Broken Catchment Management Authority

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Nymphaea mexicana<br />

(Mexican Water Lily)<br />

Undeclared Weed<br />

Yellow Water Lily<br />

Description: Perennial aquatic with floating leaves and<br />

flowers arising from rhizomes.<br />

flowers: Showy yellow flowers, 10-20 cm wide, produced<br />

between Spring to Autumn.<br />

leaves: Round or heart-shaped to 25 cm diameter on stalks.<br />

Young leaves often have brown markings.<br />

stems: Creeping horizontal stems (stolons) that can produce<br />

roots from each node.<br />

Roots: Rhizomes to 30 cm long and 4 cm thick.<br />

Note: Rhizomes greater than 30 cm long and 4 cm thick<br />

have been recorded.<br />

similar Native species: Could be confused with a number<br />

of native and other introduced water lilies prior to flowering.<br />

j f M A M j j A s O N D<br />

CONtROl OPtIONs VECtOR Of sPREAD<br />

91

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